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Top 13 C# Chatbot Projects
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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TensorFlow.NET
.NET Standard bindings for Google's TensorFlow for developing, training and deploying Machine Learning models in C# and F#.
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Project mention: Beyond Basic RAG: Measuring Embedding and Generation Performance with RAGAS | dev.to | 2025-04-12
LLamaSharp
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Project mention: From Gaming to Healthcare: AI Research in My Master’s Journey | dev.to | 2025-02-19
I’m starting with the integration of large language models (LLMs)—sophisticated AI systems that can understand and generate human-like text. I'm using a library called LLMUnity, which should allow me to integrate these capabilities directly into the game engine.
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mixer-mixitup
Streaming bot application for handling chat, events, moderation, and other streamer assistance features
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Slack-GPT
A Slack Bot implementation for integration with OpenAI ChatGPT. Supports GPT4o by default and OpenAI o1 model!
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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ChatGPTWebService
ChatGPTWebService is an API application that allows users to access the chatbot functionality of ChatGPT using a given API key. Written in C# and built with the latest version of the .NET framework, ChatGPTWebService allows developers to integrate ChatGPT's natural language processing capabilities into their own chatbot applications.
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SukaLambda
一時の略称はSKL。War-chess game framework, for Turing-complete skill effects and 2-D grid map. Text-based user interface only. Logging system will be improved and will probably break the current APIs
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C# Chatbot discussion
C# Chatbot related posts
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AmpereOne: Cores Are the New MHz
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LM-Kit.NET VS LLamaSharp - a user suggested alternative
2 projects | 4 Sep 2024 -
Classifying bugfix commits with ML.NET
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cannot for the life of me compile libllama.dll
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How to create a Telegram Bot with Azure Functions (NET 6, isolated process)
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I made a chess bot that can play on its own (can even play bullet mode)on chess websites like lichess
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Made A chess bot that can play chess website with automove feature(can even play bullet mode !)
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A note from our sponsor - SaaSHub
www.saashub.com | 17 Jul 2025
Index
What are some of the best open-source Chatbot projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Telegram.Bot | 3,440 |
| 2 | TensorFlow.NET | 3,355 |
| 3 | LLamaSharp | 3,277 |
| 4 | LLMUnity | 1,203 |
| 5 | mixer-mixitup | 230 |
| 6 | Slack-GPT | 41 |
| 7 | clockify-nlp-bot | 13 |
| 8 | SlackAI | 10 |
| 9 | ChatGPTWebService | 8 |
| 10 | SukaLambda | 8 |
| 11 | AjaxChessBot | 7 |
| 12 | TwitchJerpBot | 1 |
| 13 | FeedbackBots | 0 |
Sponsored
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io